You can use an XB-8000 or WatchMate Vision with a Raymarine SeaTalk-ng network. All that is needed is a Raymarine DeviceNet adapter cable. The XB-8000 or WatchMate Vision will supply GPS and AIS data to all the devices on your SeaTalk-ng network, including any MFD's.

Here's an example configuration. In this drawing you can add a Raymarine MFD and any other devices you need: